The voice over fiber multiplexer is point to point fiber transmitting equipment, which realizes 1~8 channel voice (FXO, FXS) POTs phone over fiber and  4 E1,4*100M Ethernet, 4 channel RS232 for option. Its merits include complete warning function, high integration, low consumption, stable performance and convenient usage.

Features 

provides 4 channel E1/ G.703 for option;

provides 1 channel 100M (liner) Ethernet ports for option

provides 8 channel voice port, FXO and FXS for option; also for 2/4 wire E&M

provides 4 channel RS232, rate supports 300-15200 bps for option;

Ethernet port 10/100M, full/half duplex auto-adaptable and supports VLAN;

Ethernet port supports AUTO-MDIX (twisted cable and straight cable auto-adaptable);

1-8 channel voice connection, supports calling indication;

Configuration: point to point;

Voice port supports O port and S port or E&M interface for order, O port connects switch and S port connects user’s phone;

Optical interface supports SC/FC interface and supports single fiber interface

Optical interface    

Optical wavelength: single mode 1310nm/1550nm

Fiber: single fiber or double fiber for option

Transmitting consumption: -9dBm/-5dBm

Transmission range: 0-50Km/120Km for option

Optical interface: SC/FC

Receiving and dispatching module: >-6dBm

Optical receiver receiving sensitivity <-36 dBm (BER<10-11)

Fiber circuit code: NRZ code

Ethernet Interface

Rate: 10/100M, full/duplex auto-negotiation

Protocol: Support IEEE 802.3, IEEE 802.1Q (VLAN)

MAC Address Entiries: 4096 Entiries

Total Memory Sizes: 64MBits SDRAM

Physical interface: RJ45, support AUTO-MDIX

Voice Phone Interface:

FXS:

Alarm voltage:     75V

Alarmf requency:    25HZ

2 line input impedance:  600Ω (hanging off)

Wastage:         40db

FXO:

Alarm detecting voltage:  35V

Alarm detecting frequency: 17HZ-60HZ

2 line input impedance:    600Ω (hanging off)

Wastage:               40db

E wire:

Max current： 22mA

Saturation voltage: 3V

Dial speed： >20pps

M wire：

steady current： 7 mA

min test current： 5 mA

      pluse dial recognition: >20pps

RS232 port

Rate： 300－115.2Kbps auto-adaptable (Asynchronous)

    Interface characteristic： satisfies ITU-T V.24

Dimension(19inch rackmount)                  

²       433mm(L)

²       138mm(W)

²        44mm(H)

Power supply                        

working voltage range wide, good

anti-disturb and Isolation, work stable

option I – DC-48V,range DC-36V~DC-72C   

option II – AC220V,range AC165V~AC240V

Power Consumption:    <=3 Watts

Environment condition                  

Operating temperature:  0C~+50 C

Storage temperature:   -20 C~+70 C

Relative temperature:95% (uncondensed)